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What's the difference between Invoke() and BeginInvoke()

Just wondering what the difference between BeginInvoke() and Invoke() are? 6 Answers ...
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)

I cannot find find FragmentPagerAdapter within Android.App. 5 Answers 5 ...
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MySQL foreign key constraints, cascade delete

I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB). 3 Answers ...
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Add missing dates to pandas dataframe

My data can have multiple events on a given date or NO events on a date. I take these events, get a count by date and plot them. However, when I plot them, my two series don't always match. ...
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Can I run javascript before the whole page is loaded?

I want to run a bit of javascript before the whole page has loaded. Is this possible? Or does the code start to execute on </html> ? ...
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Optional query string parameters in ASP.NET Web API

I need to implement the following WebAPI method: 5 Answers 5 ...
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Linq to Entities join vs groupjoin

I have web searched but I still cant find a simple answer. Can someone please explain (in simple English) what a GroupJoin is? How is it different from a regular inner Join ? Is it commonly used? Is it only for method syntax? What about query syntax? A c# code example would be nice. ...
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How do I execute inserts and updates in an Alembic upgrade script?

I need to alter data during an Alembic upgrade. 3 Answers 3 ...
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How to keep Maven profiles which are activeByDefault active even if another profile gets activated?

I have a profile in my pom.xml which should be always active unless it is explicitely deactivated (-P !firstProfile). I solved this by using the activeByDefault flag: ...
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Why use symbols as hash keys in Ruby?

A lot of times people use symbols as keys in a Ruby hash. 4 Answers 4 ...